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Equity and Other Comprehensive Income (Loss) - Summary of Changes in OCI by Components of Equity (Detail) - SEK (kr) kr in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disclosure of analysis of other comprehensive income by item [line items] |  |  |
Translation reserves reclassification to profit and loss | kr 73 | kr 59 | kr (85)
Translation reserves [member] |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |
Remeasurements of defined benefits pension plans | 0 | 0 | 0
Revaluation of credit risk on borrowings | 0 | 0 | 0
Cash flow hedge reserves | 0 | 0 | 0
Cash flow hedge reserves reclassification to profit and loss | 0 | 0 | 0
Cash flow hedge transfer to goodwill |  |  | 0
Translation reserves changes | 6,608 | (2,425) | 7,273
Translation reserves reclassification to profit and loss | 73 | 59 | (85)
Share of other comprehensive income of associates | 40 | (10) | 49
Movement attributable to non-controlling interests | (147) | 50 | (143)
Total | 6,574 | (2,326) | 7,094
Cash flow hedge reserves [member] |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |
Remeasurements of defined benefits pension plans | 0 | 0 | 0
Revaluation of credit risk on borrowings | 0 | 0 | 0
Cash flow hedge reserves | (3,240) | 374 | 2,331
Cash flow hedge reserves reclassification to profit and loss | 725 | 1,090 | 280
Cash flow hedge transfer to goodwill |  |  | (3,677)
Translation reserves changes | 0 | 0 | 0
Translation reserves reclassification to profit and loss | 0 | 0 | 0
Share of other comprehensive income of associates | 0 | 0 | 0
Movement attributable to non-controlling interests | 0 | 0 | 0
Total | (2,515) | 1,464 | (1,066)
Revaluation of borrowings [member] |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |
Remeasurements of defined benefits pension plans | 0 | 0 | 0
Revaluation of credit risk on borrowings | (450) | (530) | 818
Cash flow hedge reserves | 0 | 0 | 0
Cash flow hedge reserves reclassification to profit and loss | 0 | 0 | 0
Cash flow hedge transfer to goodwill |  |  | 0
Translation reserves changes | 0 | 0 | 0
Translation reserves reclassification to profit and loss | 0 | 0 | 0
Share of other comprehensive income of associates | 0 | 0 | 0
Movement attributable to non-controlling interests | 0 | 0 | 0
Total | (450) | (530) | 818
Retained earnings [member] |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |
Remeasurements of defined benefits pension plans | 739 | 655 | 8,561
Revaluation of credit risk on borrowings | 0 | 0 | 0
Cash flow hedge reserves | 0 | 0 | 0
Cash flow hedge reserves reclassification to profit and loss | 0 | 0 | 0
Cash flow hedge transfer to goodwill |  |  | 0
Translation reserves changes | 0 | 0 | 0
Translation reserves reclassification to profit and loss | 0 | 0 | 0
Share of other comprehensive income of associates | 0 | 0 | 0
Movement attributable to non-controlling interests | (7) | (1) | 11
Total | 732 | 654 | 8,572
Total equity [member] |  |  |
Disclosure of analysis of other comprehensive income by item [line items] |  |  |
Remeasurements of defined benefits pension plans | 739 | 655 | 8,561
Revaluation of credit risk on borrowings | (450) | (530) | 818
Cash flow hedge reserves | (3,240) | 374 | 2,331
Cash flow hedge reserves reclassification to profit and loss | 725 | 1,090 | 280
Cash flow hedge transfer to goodwill |  |  | (3,677)
Translation reserves changes | 6,608 | (2,425) | 7,273
Translation reserves reclassification to profit and loss | 73 | 59 | (85)
Share of other comprehensive income of associates | 40 | (10) | 49
Movement attributable to non-controlling interests | (154) | 49 | (132)
Total | kr 4,341 | kr (738) | kr 15,418

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- Definition The amount of other comprehensive income, net of tax, related to changes in the fair value of financial liabilities attributable to the changes in the credit risk of those liabilities. [Refer: Other comprehensive income; Credit risk [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_91_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
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